Hair coloring brush



FIG. 1 is a perspective view of a hair coloring brush showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof, shown in enlarged view;

FIG. 6 is a rear view thereof;

FIG. 7 is a left view thereof; and,

FIG. 8 is a right side view thereof.

The broken lines shown are included for the purpose of illustrating portions of the hair coloring brush that form no part of the claim. 

CLAIM The ornamental design for a hair coloring brush, as shown and described. 